Exploring Points, Lines, and Planes

What is an example of an undefined term in geometry?

• A circle, square, or triangle

• A point, line, or plane

• An angle, vertex, or edge

• A polygon, polyhedron, or sphere

Which of the following best describes collinear points?

• Points that are on different planes

• Points that are on the same plane

• Points that are on different lines

• Points that are on the same line

What does 'coplanar' mean?

• Points that are on the same line

• Points that are on different lines

• Points that are on the same plane

• Points that are on different planes

How many points are needed to define a plane?

• Two points

• Three points not on the same line

• Four points

• One point

Which of the following is a correct way to name a line containing points T and X?

• Line T

• Line TZX

• Line X

• Line TX

What geometric shape is modeled by the stripes on a sweater?

• Plane

• Line

• Circle

• Point

What is the intersection of two lines?

• A circle

• A line

• A point

• A plane

Are points E, D, F, and G coplanar?

• Yes, they are all on different planes

• No, only D, F, and G are on the same plane

• No, only E, F, and G are on the same plane

• Yes, they are all on the same plane

At what point do planes JDH, JDE, and EDF intersect?

• Point F

• Point D

• Point J

• Point E

How many planes appear in the given figure?

• One

• Three

• Four

• Two